build(deps): bump the angular group

Bumps the angular group in /showcase/angular-lts-showcase with 7 updates:

| Package | From | To |
| --- | --- | --- |
| [@angular/common](https://github.com/angular/angular/tree/HEAD/packages/common) | `17.3.11` | `17.3.12` |
| [@angular/compiler](https://github.com/angular/angular/tree/HEAD/packages/compiler) | `17.3.11` | `17.3.12` |
| [@angular/core](https://github.com/angular/angular/tree/HEAD/packages/core) | `17.3.11` | `17.3.12` |
| [@angular/forms](https://github.com/angular/angular/tree/HEAD/packages/forms) | `17.3.11` | `17.3.12` |
| [@angular/platform-browser-dynamic](https://github.com/angular/angular/tree/HEAD/packages/platform-browser-dynamic) | `17.3.11` | `17.3.12` |
| [@angular/router](https://github.com/angular/angular/tree/HEAD/packages/router) | `17.3.11` | `17.3.12` |
| [@angular/compiler-cli](https://github.com/angular/angular/tree/HEAD/packages/compiler-cli) | `17.3.11` | `17.3.12` |


Updates `@angular/common` from 17.3.11 to 17.3.12
- [Release notes](https://github.com/angular/angular/releases)
- [Changelog](https://github.com/angular/angular/blob/main/CHANGELOG.md)
- [Commits](https://github.com/angular/angular/commits/17.3.12/packages/common)

Updates `@angular/compiler` from 17.3.11 to 17.3.12
- [Release notes](https://github.com/angular/angular/releases)
- [Changelog](https://github.com/angular/angular/blob/main/CHANGELOG.md)
- [Commits](https://github.com/angular/angular/commits/17.3.12/packages/compiler)

Updates `@angular/core` from 17.3.11 to 17.3.12
- [Release notes](https://github.com/angular/angular/releases)
- [Changelog](https://github.com/angular/angular/blob/main/CHANGELOG.md)
- [Commits](https://github.com/angular/angular/commits/17.3.12/packages/core)

Updates `@angular/forms` from 17.3.11 to 17.3.12
- [Release notes](https://github.com/angular/angular/releases)
- [Changelog](https://github.com/angular/angular/blob/main/CHANGELOG.md)
- [Commits](https://github.com/angular/angular/commits/17.3.12/packages/forms)

Updates `@angular/platform-browser-dynamic` from 17.3.11 to 17.3.12
- [Release notes](https://github.com/angular/angular/releases)
- [Changelog](https://github.com/angular/angular/blob/main/CHANGELOG.md)
- [Commits](https://github.com/angular/angular/commits/17.3.12/packages/platform-browser-dynamic)

Updates `@angular/router` from 17.3.11 to 17.3.12
- [Release notes](https://github.com/angular/angular/releases)
- [Changelog](https://github.com/angular/angular/blob/main/CHANGELOG.md)
- [Commits](https://github.com/angular/angular/commits/17.3.12/packages/router)

Updates `@angular/compiler-cli` from 17.3.11 to 17.3.12
- [Release notes](https://github.com/angular/angular/releases)
- [Changelog](https://github.com/angular/angular/blob/main/CHANGELOG.md)
- [Commits](https://github.com/angular/angular/commits/17.3.12/packages/compiler-cli)

---
updated-dependencies:
- dependency-name: "@angular/common"
  dependency-type: direct:production
  update-type: version-update:semver-patch
  dependency-group: angular
- dependency-name: "@angular/compiler"
  dependency-type: direct:production
  update-type: version-update:semver-patch
  dependency-group: angular
- dependency-name: "@angular/core"
  dependency-type: direct:production
  update-type: version-update:semver-patch
  dependency-group: angular
- dependency-name: "@angular/forms"
  dependency-type: direct:production
  update-type: version-update:semver-patch
  dependency-group: angular
- dependency-name: "@angular/platform-browser-dynamic"
  dependency-type: direct:production
  update-type: version-update:semver-patch
  dependency-group: angular
- dependency-name: "@angular/router"
  dependency-type: direct:production
  update-type: version-update:semver-patch
  dependency-group: angular
- dependency-name: "@angular/compiler-cli"
  dependency-type: direct:development
  update-type: version-update:semver-patch
  dependency-group: angular
...

Signed-off-by: dependabot[bot] <[email protected]>

showcase/angular-lts-showcase/package.json

@@ -10,21 +10,21 @@
   "private": true,
   "dependencies": {
     "@angular/animations": "17.3.11",
-    "@angular/common": "17.3.11",
-    "@angular/compiler": "17.3.11",
-    "@angular/core": "17.3.11",
-    "@angular/forms": "17.3.11",
+    "@angular/common": "17.3.12",
+    "@angular/compiler": "17.3.12",
+    "@angular/core": "17.3.12",
+    "@angular/forms": "17.3.12",
     "@angular/platform-browser": "17.3.11",
-    "@angular/platform-browser-dynamic": "17.3.11",
-    "@angular/router": "17.3.11",
+    "@angular/platform-browser-dynamic": "17.3.12",
+    "@angular/router": "17.3.12",
     "rxjs": "7.8.1",
     "tslib": "2.6.3",
     "zone.js": "0.14.8"
   },
   "devDependencies": {
     "@angular-devkit/build-angular": "17.3.8",
     "@angular/cli": "17.3.8",
-    "@angular/compiler-cli": "17.3.11",
+    "@angular/compiler-cli": "17.3.12",
     "injection-js": "2.4.0",
     "rxjs": "7.8.1",
     "typescript": "5.4.5"